As of 19:14 PDT

El Cajon, CA weather in September

81°

El Cajon, Saturday, 8 August, 19:14

Clear. Feels like 83°. High 96°, low 70°.

Pressure29.83 inHg

Wind4 mph SW

Humidity57%

Visibility6.2 mi

Dew point63°

See detailed hourly forecast

In September, El Cajon, CA averages a high of 81.4° and a low of 63.7°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 108.7° (2020) and the record low 51.1° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.5°	65.5°	3%	98.4° (2017)	57.7° (1964)
2	83.8°	66°	3%	98.4° (2017)	57.2° (1964)
3	83.8°	66.2°	3%	103.8° (1988)	57.7° (1999)
4	84.6°	66°	3%	102.2° (1988)	57.2° (1999)
5	84.7°	66.4°	2%	108.7° (2020)	57.4° (1970)
6	84.6°	66.2°	7%	104.9° (2020)	58.3° (1970)
7	84.2°	66.2°	3%	101.1° (2024)	58.1° (1985)
8	83.7°	65.8°	2%	108.1° (2024)	54.3° (1965)
9	82.4°	65.5°	5%	99.3° (2024)	54.5° (1961)
10	81.7°	64.8°	7%	95.9° (2023)	57° (1991)
11	81.1°	64.2°	5%	95.7° (2021)	53.8° (1975)
12	80.8°	63.5°	2%	97.7° (1971)	52.3° (1985)
13	79.9°	63.1°	0%	98.4° (1971)	57.2° (1972)
14	80.4°	62.8°	3%	97.9° (2012)	55.9° (1970)
15	80.4°	63°	7%	98.6° (2012)	55.4° (2016)
16	79.9°	63.3°	5%	99.3° (2020)	55.8° (1970)
17	79.9°	62.8°	7%	100.4° (2020)	55.9° (2006)
18	79.5°	62.4°	5%	99.9° (2020)	53.4° (1993)
19	78.8°	62.2°	7%	92.3° (1979)	52.2° (1978)
20	78.6°	61.9°	8%	95.7° (2015)	52.5° (1989)
21	79.7°	61.3°	5%	96.8° (2021)	52.3° (1968)
22	81°	61.9°	8%	97.2° (2021)	54° (1988)
23	81.7°	62.6°	5%	99.7° (1975)	55.2° (1961)
24	81.7°	62.4°	2%	101.5° (1978)	54.7° (2007)
25	80.8°	62.6°	3%	100.4° (1978)	56.7° (2000)
26	79.7°	62.8°	10%	104.4° (1963)	55.4° (1971)
27	80.2°	62.8°	2%	101.1° (1963)	52.7° (2013)
28	80.1°	62.2°	2%	99.7° (1963)	52.9° (1971)
29	80.1°	62.6°	7%	101.3° (2020)	51.1° (1965)
30	80.8°	62.2°	5%	106.3° (2020)	53.1° (2019)